Home / 7,571.87-11,356.43-3,411.09

Finding the Fourth Proportional to 7,571.87, 11,356.43 and 3,411.09

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Solution

The fourth proportional to 7,571.87, 11,356.43 and 3,411.09 is: 5,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.87 : 11,356.43 = 3,411.09 : x
  2. Step 2: Convert to fraction form
    7,571.87/11,356.43 = 3,411.09/x
  3. Step 3: Cross multiply
    7,571.87x = 11,356.43 × 3,411.09
  4. Step 4: Simplify right side
    7,571.87x = 38,737,787.75
  5. Step 5: Solve for x
    x = 38,737,787.75/7,571.87
  6. Step 6: Final answer
    x = 5,116.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.